asparagine

Drug ingredient

CAS 70-47-3

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

US productionNot reported

Import value, 2024$371M

Top sourceChina 27%

EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292419 · basket

EPA reports by year

2023: US production Not published · Imports Not published

These shares come from HS customs code 292419, which covers 211 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 27%ChinaIN 18%IndiaDE 14%GermanyIT 10%ItalyGB 6%United Kingdom

Hungary
Austria
Spain
Egypt
Canada
Sweden
Ukraine
Denmark
Israel
Lithuania
Greece
Ireland
Taiwan
Uruguay
Turkey
Australia
Singapore
Latvia
Colombia

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Angus Chemical

2 FDA-registered drug labelers

Deseret Biologicals, Inc.

Nutritional Specialties, Inc.

Why It Matters

Sectors

Health

Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

•Allermilk
•Metab

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Vendor Pricing

$0.19/gChemscene

CountryUnited States

Pack$186.00 / 1 kg

PurityNot recorded

Vendors15 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

14 more vendors

Vendor	Country	$/g	Pack	Purity
BLD Pharmatech Ltd.	China	$0.23	500 g	99%
Ambeed, Inc.	United States	$0.23	500 g	99%
Combi-Blocks, Inc.	United States	$0.25	1 kg	97%
BLD Pharmatech Co., Limited	United States	$0.31	100 g	99%
Maybridge, Ltd.	United Kingdom	$0.57	50 g	97%
BLD Pharmatech GmbH	Germany	$0.68	25 g	99%
AK Scientific, Inc.	United States	$0.78	100 g	98%
AstaTech, Inc	United States	$1.28	100 g	95%
MedChemExpress MCE	Sweden	$1.50	100 g	98%
Interbioscreen	Hong Kong	$24.00	10 g	95%
Molnova	China	$380.00	100 mg	99%
ChemDiv, Inc.	United States	$4070.00	100 mg	90%
AA BLOCKS (2 weeks)	United States	$7176.00	250 mg	—
Asinex	Netherlands	$8651.50	100 mg	90%

Chemical Identity

CAS70-47-3

PubChem CID6267

DTXSIDDTXSID10883220

FormulaC4H8N2O3

Mol. Weight132.12 g/mol

SMILESC(C(C(=O)O)N)C(=O)N

Data Sources

PubChem · compound 6267Retrieved 2026-04-07
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

asparagine (CAS 70-47-3) https://chemicalindependence.com/chemical/70-47-3/ PubChem: 6267. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6267 EPA Chemical Data Reporting: 70-47-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 292419 for CAS 70-47-3. Reporting year: 2024. https://usatrade.census.gov/